Home / 8,312,042.40-12,447,068.40-5,456,695.20

Finding the Fourth Proportional to 8,312,042.40, 12,447,068.40 and 5,456,695.20

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Solution

The fourth proportional to 8,312,042.40, 12,447,068.40 and 5,456,695.20 is: 8,171,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312,042.40 : 12,447,068.40 = 5,456,695.20 : x
  2. Step 2: Convert to fraction form
    8,312,042.40/12,447,068.40 = 5,456,695.20/x
  3. Step 3: Cross multiply
    8,312,042.40x = 12,447,068.40 × 5,456,695.20
  4. Step 4: Simplify right side
    8,312,042.40x = 67,919,858,392,351.69
  5. Step 5: Solve for x
    x = 67,919,858,392,351.69/8,312,042.40
  6. Step 6: Final answer
    x = 8,171,259.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.